Add configurable iPhone widgets

ios/Sources/AppDelegate.swift

@@ -1,8 +1,10 @@
 import UIKit
+import WidgetKit
 
 @main
 final class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
+    private var context: AppContext?
 
     func application(
         _ application: UIApplication,
@@ -10,10 +12,26 @@ final class AppDelegate: UIResponder, UIApplicationDelegate {
     ) -> Bool {
         let window = UIWindow(frame: UIScreen.main.bounds)
         let context = AppContext(window: window)
+        self.context = context
         window.rootViewController = context.makeRootController()
         window.makeKeyAndVisible()
         self.window = window
         context.showStartupErrorIfNeeded()
+        if let url = launchOptions?[.url] as? URL {
+            context.route(widgetURL: url)
+        }
         return true
     }
+
+    func application(
+        _ application: UIApplication,
+        open url: URL,
+        options: [UIApplication.OpenURLOptionsKey: Any] = [:]
+    ) -> Bool {
+        context?.route(widgetURL: url) ?? false
+    }
+
+    func applicationDidBecomeActive(_ application: UIApplication) {
+        WidgetCenter.shared.reloadAllTimelines()
+    }
 }